Why the Mars500 mission doesn't prove we're psychologically capable of a trip to Mars

Space travel is a cramped and isolating endeavor, one that can weigh heavily on the mind of a spacefarer. How well we handle conditions like these over long periods of time is something we must consider more seriously in the years ahead, as humanity looks to venture deeper into space than we've ever been. »11/03/11 3:43pm11/03/11 3:43pm